Democrat detractors of the Federal Housing Finance Agency’s acting director may yet again see their desires to oust him denied amid bitter partisan wrangling over top-level Cabinet nominees and a possible dearth of replacements that are both confirmable and willing.Late last week, some 45 House Democrats called on President Obama yet again to take action and nominate a permanent replacement for FHFA Acting Director Edward DeMarco. Democrats have spent well over a year both trying to get the Bush-era holdover fired and get him to play ball with them on their housing agenda, foremost being Dems’ desired proposal to have Fannie Mae and Freddie Mac offer principal reduction assistance to troubled borrowers.